The socket outlet must be:
a. Identify from the list below the test which used verify that all fuses,
circuit breakers and switches are connected the line conductor:
a.365
U W
6 6
2 2
C1
L1 C1
2
C3
4
5
6
To phase supply
To phase motor
19. The Electricity Work Regulations state that:
a.
25. continuity test
b. only competent people may work ‘live’
d.
23. Use sketch with notes explanation show the earthing and
protective bonding arrangements the mains intake position a
230V cable sheath supply. All final circuits bathroom, both power and lighting, must have:
a.
20. overcurrent protection
b.
21. Zone protection. Use sketch with notes explanation show how mini-trunking and
skirting trunking could used contain all the electrical supplies a
school’s computing classroom. earth fault loop impedance
c. one may work ‘live’
c. only instructed and skilled people may work ‘live’. IPX7 protection
d. protected additionally RCD
d.
.
22.
27. Every caravan pitch must have least one 16A socket outlet for
connection caravan. functional test
d. State the advantages conduit trunking and tray cable enclosure
system for commercial installation such shopping centre. buried depth 600mm. polarity test. protected from overcurrent
c. Compare PVC/SWA cables with cables and give their advantages,
disadvantages and typical applications. RCD protection
c. the industrial type
b.
26. everyone may work ‘live’
b.
24. Use sketch with notes explanation show the earthing and
protective bonding arrangements the mains intake position a
230V system
